QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000a0n9
USGS usp000a0n9
22 Sept 2000, 06:12
131 km W of Haveluloto, Tonga
A magnitude 5.4 mwc earthquake at 184.2 km depth.
Published location
Where is 131 km W of Haveluloto, Tonga?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-20.951000, -176.465000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
usp000a0n9
Coordinates
-20.951, -176.465
Network
us
Significance
449